# ENGR 35: STATICS

## Foothill College Course Outline of Record

Foothill College Course Outline of Record
Effective Term: Summer 2024
Units: 5
Hours: 5 lecture per week (60 total per quarter)
Prerequisite: MATH 1B or 1BH; PHYS 4A.
Degree & Credit Status: Degree-Applicable Credit Course
Foothill GE: Non-GE
Transferable: CSU/UC
Repeatability: Not Repeatable

## Student Learning Outcomes

• The student will be able to analyze the forces, centroid and moments of inertia on structures, such as trusses, frames, beams, cables
• The student be able to determine the equilibrium of particles and rigid bodies in two and three dimensions

## Description

Principles of statics as applied to particles and rigid bodies in two and three dimensions under concentrated and distributed force systems. Equilibrium conditions in structures, machines, beams, and cables. Determination of centroids and moments of inertia. Dry friction and methods of virtual work.

## Course Objectives

The student will be able to:

1. Solve systems acting on particles and rigid bodies for resultant and component forces
2. Solve for unknown forces in two and three dimensions in equilibrium conditions
3. Analyze situations which include distributed forces and moments of inertia
4. Analyze trusses, frames, beams, and cables for unknown forces
5. Analyze situations including friction as a consideration
6. Analyze virtual work using the potential energy equation

## Course Content

1. Force systems acting on particles and on rigid bodies
1. Forces in a plane
1. Vectors
2. Resultant vectors
3. Resolution into components
2. Forces in space
2. Components
2. Equilibrium of particles and rigid bodies in two and three dimensions
1. External and internal forces
2. Vector product
3. Moment of a force about a point
4. Scalar product
5. Moment of a force about an axis
6. Moment of a couple
8. Reduction of a system to one force and one couple
9. Equivalent systems
10. Equilibrium of a rigid body in two and three dimensions
11. Equilibrium of a two-force body
12. Equilibrium of a three-force body
13. Reactions at supports and connections
3. Distributed forces
1. Center of gravity of a two-dimensional body
2. Centroids of areas and lines
3. Determination of centroids by integration
5. Center of gravity of a three-dimensional body
6. Determination of centroids by integration
7. Moments of inertia of areas
8. Moments of inertia of a mass
4. Analysis of structures
1. Trusses
1. Simple trusses
2. Analysis by method of joints
3. Analysis by method of sections
2. Frames
1. Analysis of a frame
2. Machines
3. Beams
2. Shear and bending moment in a beam
3. Shear and bending moment diagrams
4. Cables
5. Friction
1. Dry friction and coefficient of friction
2. Angles of friction
3. Wedges
6. Virtual work and stability of equilibrium
1. Principle of virtual work
2. Real machines
3. Potential energy
4. Stability of equilibrium

Not applicable.

## Special Facilities and/or Equipment

1. Scientific calculator

## Method(s) of Evaluation

Methods of Evaluation may include but are not limited to the following:

Homework assignments, such as problem sets and projects
Might include unannounced short quizzes
Two or more examinations during the quarter
Comprehensive final examination

## Method(s) of Instruction

Methods of Instruction may include but are not limited to the following:

Lecture
Discussion
Group work

## Representative Text(s) and Other Materials

Beer, Johnston, and Mazurek. Vector Mechanics for Engineers: Statics. 2019.

## Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments

1. Homework assignments: Problem sets require application of concepts and equations from class
2. Text: Careful reading and rereading of the text and lecture notes. Approximately 60 pages of reading per week

Engineering